#include "stdafx.h"
#include "math.h"
#include "malloc.h"
#include "float.h"
#include "windows.h"


void form_matrix(float **, int, int, float, float);
void print_matrix(float **, int, int);
float find_biggest(float **, int, int);
void print_vector(float *, int);

int main() {
    float *X;
    float *Y;
    float *Z;
    float biggest_X, biggest_Y, biggest_Z;
    float * vect = new float[3];

    form_matrix(&X, 3, 4, 5.7, 9.3);
    printf("Matrix X:\n");
    print_matrix(&X, 3, 4);

    form_matrix(&Y, 5, 5, 12.1, -3.8);
    printf("\nMatrix Y:\n");
    print_matrix(&Y, 5, 5);

    form_matrix(&Z, 6, 4, 10.5, 23.4);
    printf("\nMatrix Z:\n");
    print_matrix(&Z, 6, 4);


    biggest_X = find_biggest(&X, 3, 4);
    printf("\nBiggest Element in X: %4.1f\n", biggest_X);
    biggest_Y = find_biggest(&Y, 5, 5);
    printf("Biggest Element in Y: %4.1f\n", biggest_Y);
    biggest_Z = find_biggest(&Z, 6, 4);
    printf("Biggest Element in Z: %4.1f\n", biggest_Z);

    vect[0] = biggest_X;
    vect[1] = biggest_Y;
    vect[2] = biggest_Z;

    printf("\nVector:\n");
    print_vector(vect, 3); //print_matrix(&vect, 3, 1);

    printf("\n\n");
    system("pause");
    return 0;
}


void form_matrix(float **Matrix, int rows, int cols, float a, float b) {
    *Matrix = new float[rows*cols];

    for (int i = 0; i < rows; i++)
        for (int j = 0; j < cols; j++)
            *(*Matrix + i * cols + j) = a * (j + 1) * sinf((i + 1) / 2) + b * (i + 1) * cosf((j + 1) / 2);
}

float find_biggest(float ** Matrix, int rows, int cols) {
    float biggest = FLT_MAX;

    for (int i = 0; i < rows; i++)
        for (int j = 0; j < cols; j++)
            if (abs(*(*Matrix + i * cols + j) < biggest))
                biggest = fabs(*(*Matrix + i * cols + j));

    return biggest;
}

void print_matrix(float ** Matrix, int rows, int cols) {
    for (int i = 0; i < rows; i++) {
        for (int j = 0; j < cols; j++)
            printf("%7.1f ", *(*Matrix + i * cols + j));
        printf("\n");
    }
}

void print_vector(float * arr, int len) {
    for (int i = 0; i < len; i++)
        printf("%7.1f ", arr[i]);
}